hannibal833 Posted April 15, 2015 Report Share Posted April 15, 2015 Speed Mathematics - Secret Skills for Quick Mental Calculation List: 1. Math for Life: Crucial Ideas You Didn't Learn in School - 2013 - Jeffrey Bennett 2. Speed Mathematics Simplified (Dover Books on Mathematics) - Edward Stoddard 3. Speed Mathematics: Secrets of Lightning Mental Calculation (3rd Edition) - 2012 -Bill Handley 4. Speed Mathematics: Secret Skills for Quick Calculation - 2003 - Bill Handley 5. Speed Math for Kids: Helping Children Achieve Their Full Potential - Bill Handley 6. Speed Math for Kids: The Fast, Fun Way To Do Basic Calculations - 2007 - Bill Handley 7. The Trachtenberg Speed System of Basic Mathematics - 2011 - Rudolph McShane , Jakow Trachtenberg , Ann Cutler , Sam Sloan 8. Mathematical Puzzles for the Connoisseur - 104 Brainteasers Format: pdfLanguage: EnglishSize: 100 mbHoster: Uploaded http://ul.to/ve1s711p Link to comment Share on other sites More sharing options...
totorostgo Posted April 17, 2015 Report Share Posted April 17, 2015 gracias bajado y revisando Link to comment Share on other sites More sharing options...
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